cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A342152 The number of edges on a vesica piscis formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.

Table of values

n a(n)
1 2
2 8
3 42
4 148
5 438
6 936
7 2010
8 3462
9 6038
10 8816
11 14606
12 20504
13 29854
14 39790
15 54618
16 70142
17 92662
18 115718
19 147494
20 177500
21 223506
22 267872
23 326142
24 384274
25 460302
26 535896
27 631886
28 726674
29 848126
30 965592
31 1115194
32 1259926
33 1440558
34 1616940
35 1833130
36 2042602
37 2300498
38 2549756
39 2851626
40 3139854

List of values

[2, 8, 42, 148, 438, 936, 2010, 3462, 6038, 8816, 14606, 20504, 29854, 39790, 54618, 70142, 92662, 115718, 147494, 177500, 223506, 267872, 326142, 384274, 460302, 535896, 631886, 726674, 848126, 965592, 1115194, 1259926, 1440558, 1616940, 1833130, 2042602, 2300498, 2549756, 2851626, 3139854]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.